"""
字符串、列表、元组
"""
arr = [1, 2, 4, 2, 8, 3]

print(len(arr))

print(sum(arr))

del arr[0]

print(arr)

print(max(arr))
print(min(arr))

arr2 = ["a", "b", "c"]

print("d" in arr2)
print("x" in arr2)

print(arr + arr2)

print(arr2 * 3)


